Electric automatically-operated gate.



. o. G. DE HOOG. ELEGTRIG AUTQMATIGALLY OPERATED GATE.

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' 0. G. DE HOOG. ELECTRIC AUTOMATIGALLY OPBRATED GATE.

APlLIUATIN FILED NOV. 8, 1909.

Patented Mar. 29, 1910.

2 SHEETS-SHEET 2.

qmatically operated gates, and is especially To all whom it may concern:

OTTO Gr. DE HOOG, OF LOS'ANGELES, CALIFORNIA.

ELECTRIC AUTOMATICALLY-OPERATED GATE.

Specification of etters Patent.

Patented Mal. 2o, 1910.

Application filed November 8, 1909. Serial No. 526,907.

1 Be it known that I, OTTO G. DE Hooo, a citizen of the United States of America, residing at Los Angeles, in the county of Los Angeles, State of California, have invented a certain new and useful Electric Automatically-Operated Gate; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as'` will enable others skilled in the art to which it appertains to make and use the saine.^ This invention relates to electric autoa'dapted to gates through which wheeled vehicles, such `as automobiles, carriages, etc., pass, being primarily intended to be applied to gates on roads leading to the stables `or garages of private residences.

The invention has for one of its objects to provide a gate which will be automatic in y action and efficient in use, and in which the operating parts are concealed from view.

With the above and other apparent objects and advantages in view, the invention consists of the parts and combinations of parts as set forth in this specification and particularly pointed out in the claims.

In theaccompanying drawings, in which is illustrated the preferred embodiment of the inventionFigure 1 is a plan view, partly in section, of a v.gate constructed according to the invention; Fig. 2 is a longitudinal sectional view thereof; Fig. 3 is a detail view illustrating one of the devices for re* versing the direction of Swing of the gate; Fig. f1 is an enlarged sectional view taken on line 4;-/1 OffF ig. l'; Fig. 5 is a detail view illustrating'oneof the spring contact devices; Fig. `6 is a diagrammatic view of the electric circuits.

` 'Referring now to the drawings, 17 `1, rep"n resent the gate posts having .hinge members 2. y

3, 3 `are the bers 4.-

" `ltigidly secured to hingemembers 1 and.

` passing freely through hinge members 2,

are upright shafts 5, 5, at thelower end of which are mounted bevel gears 6,` 6,r intermeshing with other gears 7,7 on ahorizontal shaft This shaftxfwhich isl mounted in any convenient manner, as in the lbearings A9, is operativelyconnected through" any suitable means withfa motor `10. As here shown, there 1s mounted a small `members 16 and 16.

gate leaves having hinge mem spur gear 11 on one end of shaft 8, which `intermeshes with a larger gear 11EL on the main arbor of the motor.

Located in the-roadbed, indicated at 13, and projecting a short distance above its surface, at any desired distance Vat either side of the gate, are depressible members 12 and 12. These members 19 and 12, which act as pushwbuttons to open and close the electric circuits through which power is conveyed to the motor, are supported on springs 14 and 15 and carry hooked contact Located adjacent to the contacts 16 and 16 are other hooked contacts 17 and 17 which are normally held .by springs 17" in position, to be engaged by the contacts 16 and 16 on the depression of the latter. This engagement of 16 and `17 or 16 and 17 starts the motor to runlpressed when the gate is almost closed, and

are connected in any desirable manner with the contacts 17 and 17 beforementioned, so that the depression of the plungers causes the contacts 17 and 17 to disengage from contacts 16 and 16', which will stop `the motor and bring the gate to rest. As here illustrated, this connection is effected as follows Extending downwardly from the plungers 18, 18 are rods 20, 20. These rods 20, 20 are connected with centrally pivoted tilting levers Q1 and 21 through the medium of pins on the rods engaging in slots in the ends of the levers. Secured to the opposite ends of levers Q1 and 21 are a series of flexible connections or ropes, as follows: From vlevel' 21 a `rope 22 leads, over any suitable guide pulleys, to contact 17 from this same lever' another rope 23 leads to `contact 17.

`From lever 21 a rope 2a leads to contact 17 and a second rope 25 leads also from this lever to contact 17.

theforegoing that the depression of one of Tt will be readily seen from the plungers 18 or 18 will raise the end of the corresponding lever 21 or 21" to which the ieXible connections are secured, and so cause a pull to be eXerted on the latter, thusreleasing contacts 17 and 17 from contacts 16 and 16. In addition to releasing contacts 17 and 17 from contacts 16 and 16, the depression of either of the plungers on being struck by the gate has the effect of changing the direction in which the motor will travel when again started, thus assuring the' return of the gate to its original p osition when the motor is again started through the depression of oneof the members 12 and 12. This is preferably accomplished in the following manner: A double throw switch, indicated at 26 (Figs.1 and 2)is located in any suitable position, and from itshandle 27 ropes 28 and 29 lead in opposite vdirections and over any suitable guiding pulleys, to the ends of levers 21 and 21', being attached to the same ends of these levers that the ropes 22, 23, 24 and 25 beforementioned are connected. The opposite sides y of the double throw'switch 26 are electrically connected to the motor in such a manner that when the blades 32 and 33 thereof, to which handle 27 is secured, are thrown to one side by the depression, say, of plunger 18, it will cause the motor, when the circuit is closed, to travel in .one direction, and when thrown to the other side by the depression of plunger 18, it will cause themotor to travel in the other direction.

The electric connections by which the motor is caused to operate (see Fig. 6), may be as follows: One of the feed wires 31 supplying the power, is connected to contact16 and the other, 31, leads to one of the blades 32 of the switch. The other blade 33 of the switch connects by'means of wires 34 and 35 with the contacts 17 and 17 respectively. A wire 36 connects contacts 16 and 16. From contacts 37 and 38 on one side of the switch, wires 39 and 40 lead to the contacts 41 and 42 on the other side of the switch. From contacts 37 and 42 wires 43 and 44 lead to the motor.

As it is essential that plungers 18 and 18 should return to their normal position immediately after being struck by the gate and depressed, a recess 45 is formed in the under side of the gate and a pair of hinged pawls 46 and 46 are secured to the gate on opposite sides of this recess (see Fig. 3). These pawls preferably have their lower outer edges rounded, as at 47, and swing freely in an outward direction but are prevented from swinging in the other direction by means of shoulders 48, so that when the gate strikes each member alternately at the end of its movement, the pawl will bea-r onthe member and depress it, and as soon as the pawl has passed over the plunger the latter will be forced up into recess 45 by spring 18, buffers 49 and 50 being arrangedto bring the gate to a positive stop in this position;

On the start of the return movement of the gate, Vthe pawl will ride freely over the plunger and will not depress it.

As shown in the drawings, the various parts of the device, except those that are re- 7o quired to project above the roadbed, are inclosed inboXing 51 and placed beneath the level of the roadbed, the members 12 and 12 and plungers 18 and 18 passing up through guides 52 and 53 respectively. 75

AlthoughV this invention is illustrated as applied to a vdouble gate, it is obvious thatl 1t will act equally Vwell if applied to a single one; in fact, various changes may be made from the precise construction illustrated without departing from thespirit ofthe in.- ventiou J The operation of this device-is as follows: Then a carriage, automobile', or any wheeled vehicle approaches thej gate,' say, lfor in- 85. stance, in the direction indicated by theharrow (Fig. 1)',the wheelon oneJ side j will depress member 12, close the contactbetween 16 and 17 and complete the circuit Ito the motor through parts 31, 16,17, 34, 33, 38,40, 44, 43, 39, 37, 32 and 31', causing the motor to operate and the gate to open, When the gate has opened, i t depresses, plunger 18", tilts lever 21", releases contact 17 through rope 24, causing motorVv 10,to stop, and reverses switch V26 through rope, 29. After passing through the gate, the vehicley Vdepresses member 1 2, closesthe ontactbetween 16 and 17 ,and completes the circuit to the motor through parts 31, 1 6, 36, 16, 100 17, 35, 33, 41, 39, 37,43, 44, 42, 32 and'31", causing the motorto run in theopposite direction and thegate to close. lVVhenthe gate closes, it depresses plunger' 18, tilts jlever 21, releases Contact 17 through rope 2,3, 105 Causing motel. ,10 t0 Stop., and at thaaame time changes switch 26'back to itsporiginal position through vrope ,28.l '1f advehicle approaches from the opposite direction, the operation will be the same, or/if a vehicle approaches from either direction sufficiently close to the gate to cause it to open and then backs out again, the closing of the circuit through contacts16and 17 or 16 and .1 7 will cause the gate to close exactly thelsaine as if the vehicle had passed on through.

1. YIn combination1 a gate, means foroprening and closingthe same,- consisting Vof,a

motor, an operative connection between ,the

motor and the gate, afpair of contact members located the roadbed at one side of the gate, a second pair ofpcontactrmernbers located in the roadbedat the opposite side ofthe gate, electrical connections between each of saidcontact members and the motor, whereby thelatterfwill becaused to operate when either one of said pairs of contact members is brought togethenqa plunger fidltd t0- .bs mQYefLby theigateiarheu the 130 latter is moved in one direction, a second plunger adapted to be moved by the gate y when the latter is moved in an opposite direction, and an operative connection connecting each of said plungers with one of each of said pairs of contact members.

2. In combination, a gate, means for opening and closing the same, consisting of a motor, a geared connection between the motor and the gate, a switch for changing the direction of rotation of the motor, a pair of contact members located in the roadbed at one side of the gate, a second pair of contact members located in the roadbed at the other side of the gate, electrical connections between each of said contact members and the switch, a plunger adapted to be actuated by the gate when it is moved in one direction, a second plunger adapted to be actuated by the gate when it is moved in an opposite direction, and iexible connections connecting each of said plungers with one of each of said pairs of contact members and with the switch.

3. In combination, a gate, means for operating the same, consisting of a motor, an operative connection between the motor and the gate, a depressible contact member, a second contact member located adjacent to said depressible contact member, an electrical connection between said contact members and the motor, whereby the latter will be caused to operate when the contact members are brought together, a plunger adapted to be actuated by the gate, and a connection between said plunger and second contact member whereby the latter will be moved away from the rst contact member on the depression of the plunger.

4e. In combination, a gate, means for opening and closing the same, consisting of a motor, a horizontal shaft connected by gear ing to said motor, a vertical shaft rigidly secured to the hinge member of the gate leaf and connected by gearing to the horizontal shaft, a pair of contact members located in the roadbed at one side of the gate, a second pair of contact members located in the roadbed at the other side of the gate, a pair of plungers located in the path of the gate, a switch controlling the action of the motor, flexible connections between each of said plungers and the second mentioned contact members, and between the plungers and the switch,` and electrical connections between the lirst and second mentioned contactmembers and the switch,tor the purpose set forth.

In testimony whereof, I have signed my name to this specification in the presence of two subscribing witnesses at Los Angeles county of Los Angeles, State of California, this 29th day of October A. D. 1909.

OTTO G. DE HOOG. Witnesses:

ALEX CURRIE,

JAMES A. BROWN. 

